This can be proven for any valid argument form using a truth table which shows that there is no situation in which there are all true premises and a false conclusion.
Founded in 1994, IntraLearn Software Corporation (ISC) is a pioneer of creating e-Learning and Knowledge Organization products for corporate enterprises, academic institutions, associations, government agencies and training suppliers.
Our mandate. The Industrial Development Corporation of South Africa Limited (IDC) was established in 1940 by an Act of Parliament (Industrial Development Corporation Act, No. 22 of 1940) and is fully owned by the South African Government.